Getting plate-solving status, please wait...
Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada

Cave Nebula (Sh2-155) widefield in HSTrgb

Getting plate-solving status, please wait...
Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada

Cave Nebula (Sh2-155) widefield in HSTrgb

Acquisition details

Dates:
Oct. 5, 2018 ·  Oct. 7, 2018 ·  Nov. 2, 2018 ·  Nov. 6, 2018
Frames:
Astrodon B Gen.2 E-series 36mm: 23×1(23″) (gain: 200.00) -20°C bin 1×1
Astrodon G Gen.2 E-series 36mm: 23×1(23″) (gain: 200.00) -20°C bin 1×1
Astrodon HA 36mm - 5nm: 50×300(4h 10′) (gain: 200.00) -20°C bin 1×1
Astrodon O-III 36mm - 5nm: 23×300(1h 55′) (gain: 200.00) -20°C bin 1×1
Astrodon R Gen.2 E-series 36mm: 23×1(23″) (gain: 200.00) -20°C bin 1×1
Astrodon S-II 36mm - 5nm: 23×300(1h 55′) (gain: 200.00) -20°C bin 1×1
Integration:
8h 1′ 9″
Avg. Moon age:
26.41 days
Avg. Moon phase:
13.11%

Basic astrometry details

Astrometry.net job: 2371030

Resolution: 1656x2230

File size: 2.0 MB

Locations: Berga Resort, Berga, Barcelona, Spain

Data source: Backyard

Description

Sh2-155 is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity.

It is widely known as the Cave Nebula, is an ionized H II region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth.

(description credits: wikipedia)

Comments

Revisions

  • Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada
    Original
  • Final
    Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada
    C

C

Description: Additional TGVDenoise after star reduction

Uploaded: ...

Histogram

Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada